MIBRIDGE® is strictly hardware. It allows existing field wiring to be interfaced to new distributed control system (DCS) or programmable logic controller (PLC) I/O cards quickly and without wiring errors.

Why use MiBridge®?

Downtime means lost revenue. MIBRIDGE® allows control to migrate from a legacy system to a new PLC or DCS with minimal downtime. The user gets all the benefits of a new control system while minimizing, or eliminating, downtime.

What does a MiBridge®solution consist of?

The main component in a MIBRIDGE® solution is the adapter card. This is the interface between the existing field wiring and the cable to the new I/O cards. Adapters are passive devices so no complexity or new points of possible failure are introduced into the control system. The key is to provide a connector compatible with the existing field wiring connector. Most DCS systems used proprietary connectors so users often think they must disconnect the wiring and re-terminate it on the new DCS/PLC I/O connector. MIBRIDGE® provides a compatible mating connector so the existing field wiring is left right where it is – on the field wiring connector. No wiring errors and minimal labour!

Most adapter cards mount in a card chassis or on a mounting plate. The chassis/plate is installed in place of the legacy systems I/O. The same mounting holes are used so rework on the cabinets is minimized. And in most cases the new I/O is mounted on the face of the adapter card chassis so no new cabinets are required.

Finally, cables are routed to the new I/O. When the new I/O is mounted on the face of the adapter card chassis these cables can be as short as 2 feet.

Talk to us about your migration project

Just tell us what legacy DCS or PLC you have now and what you plan to migrate to and we will propose a solution. To date we have designed migration hardware for the Honeywell IPC620, Moore APACS, ABB INFI90, Modicon Series 800 and Quantum and the Westinghouse WDPF.

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